I find myself in the same situation. I usually wait till a game's price drops to $20 and below before I buy them. That's how I bought XCOM 2, Sleeping Dogs and other video games.
Interesting, I might check this out then. Can it be paused at any time? One of the things I look for in games nowadays is if it can be paused at any point in the game. This is so I can respond to calls for milk and cookies from my little gremlins.